LSM Racing Products Valve Spring Pressure Testers

Adjustable on-head valve spring pressure tester. Works great on shaft rockers, offset rockers and stud mount applications. Includes a 0-600lb gauge, shim kit that enables adjustment to within .050" of rocker arm pivot length, and a setup and adjustment guide. Made in the USA.

621-PC-100SLC features a slant or straight handle option with spin-off convertible extension. Has complete adjustability of the standard 621-PC-100 with the benefit of multiple handle configurations for engine compartment constraints. The most versatile spring tester available. Made in the USA.